^Ariadne’s Thread: A Guide to International Tales Found in Classical Literature by William F. Hansen (2002; Cornell University Press; ISBN 9780801475726, 9780801436703), page 160Herakles Cleans the Augean Stables
One of the best-known stories attached to Herakles tells how in one day he removed the dung from King Augeias’s cattle yard, which had not been cleaned in years.